

Modern elite assassin Morgan Calud dies and transmigrates into a woman with the same name. After Morgan's father died in battle, her mother disguised her as a boy from birth so they could maintain their position in the Calud family. As Morgan grows up, she yearns to reclaim her female identity but fears that discovery would mean death for both her and her mother. Planning to escape with her mother before her secret is exposed, Morgan is unexpectedly noticed by Shane Burke—the Aetheria Dynasty's only duke with a different surname, a man of overwhelming power and ruthless temperament. He brings her back to his estate, and from then on, she must outwit him daily just to survive.

Lena Duncan lost her parents in a fire, leaving her with a huge debt and the responsibility of caring for her young brother. On her birthday, she met Allen, a debt collector, and their lives became intertwined when they discovered they shared the same birthday and had similar experiences. Allen, impressed by Lena's resilience, gave her extra time to repay her debts and helped her on several occasions. Lena's talent with numbers earned her a position at Allen's company. As they worked together, their bond grew stronger and feelings began to develop between them. They faced conflicts in the criminal underworld, family disputes, and even an arson threat. Allen sought revenge and reclaimed power for Lena. In the end, they let go of their past and reopened "Lena's Restaurant" together, eventually getting married and living happily ever after.